Dating

Ariana Grande's inner circle believes her boyfriend, Ricky Alvarez, is a positive influence who is a rock for her amid intense public scrutiny ... TMZ has learned.

Sources close to Ariana tell TMZ ... people around the pop star "feel Ricky is a good guy and has been there for her."

Our sources pointed out Ricky was also around when Ariana dealt with public drama during their first fling.

Jennifer Lopez is dishing out breakup advice to influencer Landon Romano ... and if anyone knows how to pick up the pieces after a public split, it's J Lo.

Landon posted an emotional video revealing he and his boyfriend of two years recently called it quits ... telling followers he's been crying daily, struggling to eat, and trying to accept that the future he imagined is gone.

That's when J Lo swooped into the comments with a little hard-earned wisdom.

J Lo told him ... "You will be better from this...I promise" ... urging Landon to find the lesson, learn it well, and focus on loving himself.

Matt Rife looks like he has a new woman in his life ... stepping out with another blonde just months after splitting from his ex, Mariah Morse.

The comedian hit the Red Clay Strays concert in Boston on Saturday night with a mystery woman on his arm ... and video obtained by TMZ shows the pair holding hands as they made their way through the venue.

Matt's taste clearly hasn't changed, because she's a blonde bombshell just like his last two girlfriends.

However, a source close to Matt tells TMZ ... the two are friends and not dating. We're told he was only escorting her through the crowd.

Katy Perry and Justin Trudeau clearly have no problem with PDA ... because they were making out in the South of France in front of everyone on the beach ... including photogs.

Video shows the "Legendary Lovers" singer and the ex-prime minister of Canada swapping spit on Thursday ... during a romantic European getaway.

They locked lips at Les Palmiers beach club on Pampelonne Beach in Saint-Tropez ... pausing their sandy stroll to kiss and embrace in full view of cameras.

Nikki Bella says her love life is down for the count these days ... joking she's become "like a nun" after taking a time out from being intimate with other people as she focuses on her busy schedule.

The pro wrestler opened up about her dating life to Us Weekly ahead of this weekend's WWE SummerSlam, noting ... "I'm pretty much like a nun at this point. Super celibate. I should just put on a ring."

She added, "I wish I was out there getting wild. I just don’t have energy for it."

Nikki is certainly a busy woman -- she unretired from WWE this year, has a wine company and podcast with her twin sister Brie, and is a single mom to 5-year-old Matteo, whom she shares with her ex-husband, Artem Chigvintsev.

Justin Trudeau had his hands all over Katy Perry in the South of France ... in the name of sun safety, of course!

The former prime minister of Canada was applying KP's sunscreen, and he made sure to get all up in there ... going fully under her dress to protect the girls.

The move got some giggles out of the group -- Katy included -- as they went out on the water to soak up some sun.

Orlando Bloom looks like he's enjoying the hell out of his summer ... and his new romance. 

The actor was spotted enjoying a cheeky beach day with his 28-year-old girlfriend, Luisa Laemmel, at the exclusive Alpemare Beach Club in Forte dei Marmi, Italy. 

Orlando showed off his ripped beach bod while enjoying the Mediterranean Sea with the Swiss model, and the pair looked completely smitten as they spent the afternoon laughing and splashing around. 

Jussie Smollett enjoyed some VIP treatment back in Chicago ... getting a personal tour of the new Barack Obama presidential library, where he was accompanied by his new boyfriend, Karamo Brown.

Sources familiar with the situation tell TMZ ... the actor and former "Queer Eye" star were spotted Thursday at the recently opened Obama Presidential Center in the Windy City.

We're told the new couple checked out portraits of Barack and Michelle Obama and walked through the center with a member of Obama's team.

Jussie had a lot of drama in Chicago years ago, when he was accused of staging a hate crime hoax ... but it sounds like Karamo's the reason for the VIP visit.

Dakota Mortensen and Shinia Powell aren't doing much to keep their romance under wraps anymore ... 'cause "The Secret Lives of Mormon Wives" stars looked every bit the couple during a date night at a baseball game.

TMZ obtained photos of the pair at The Ballpark at America First Square in South Jordan, Utah, on Thursday night ... and witnesses tell us they weren't trying to keep their relationship a secret or hide anything.

We're told Dakota and Shinia spent much of the evening cuddling on the outfield lawn, with Shinia draping her legs over Dakota as they watched Triple-A Salt Lake Bees, the Minor League affiliate of the Los Angeles Angels.

Cardi B is tired of the rumors surrounding her dating life ... and it sounds like she's already over the stories going around about her new man Maduka Okoye and his baby mama Jelicia Westhoff.

In audio obtained by The Neighborhoood Talk, the rapper lamented that speculation spreads anytime she's out with someone.

You can hear her say ... "Y'all see what happens as soon as I sneeze on somebody?"

Shia LaBeouf hightailed it out of New Orleans after his run-in with an alleged stalker ... he's back in Los Angeles, and showing some love to his girlfriend Nicole Mumphrey at the airport.

TMZ obtained video showing the actor packing on the PDA with Nicole in the baggage claim area on Saturday morning at LAX ... after Nicole flew in from Atlanta.

Check out the clip ... Shia walks up behind Nicole at the carousel and wraps his arms around her and gives her a little peck on the cheek. The couple then engage in a sweet little chat while waiting for Nicole's luggage.

Ariana Grande's rekindled romance with Ricky Alvarez is getting a big thumbs-up from her brother Frankie ... or, in Ricky's case, a few pats on the head.

Ricky joined Frankie in the crowd Sunday night at Barclays Center in Brooklyn for Ariana's "Eternal Sunshine Tour" ... where the two danced together as Ari performed "Warm."

Check out the video ... Frankie gets especially affectionate at one point, reaching over and repeatedly patting Ricky's head while they groove to the music.

Cardi B and Nigerian soccer star Maduka Okoye are keeping the good times rolling in Italy ... sitting side by side for a swanky dinner overlooking a Venice canal.

Check out the exclusive video, obtained by TMZ ... Cardi and Maduka grabbed a bite with several other men at Gio's restaurant at the St. Regis, where the rapper turned plenty of heads in a plunging turquoise dress.

The two were seated together ... with Maduka flashing a big smile as Cardi chatted with the table and showed off her long nails. We’re told there was no PDA ... but they certainly seemed comfortable sharing another night out with friends.

Ricky Alvarez was front and center supporting girlfriend Ariana Grande over the weekend ... showing up at her concert and looking like he knew every word.

Check out the video ... Ricky is seen dancing and singing along to Ariana's song "Imperfect for You," smiling as she performs for the packed crowd Saturday night at Barclays Center in Brooklyn.

His appearance comes after TMZ revealed Ariana and Ricky have rekindled their romance following her split from Ethan Slater.

Ariana Grande's putting her rekindled romance with Ricky Alvarez on display as they stroll through Central Park with their arms wrapped around each other.

TMZ obtained photos from Thursday that show the pint-sized pop star and her former backup dancer cheesin' in NYC.

Ricky's arm is draped over Ari's shoulder and hers is around his waist, while she walks a dog that looks like it could be her pup, Toulouse.

Mauricio Umansky is getting hot this summer ... and, no, we don't mean temperature wise ... he's over in a Monte Carlo looking lips with a hot babe on a floating dock.

TMZ obtained video showing Mauricio nuzzling and kissing a bikini-clad mystery woman at Monte Carlo Beach Club ... and it looks oh-so romantic.

Folks who were there tell us the pair were on the floating dock for about half an hour, soaking up the sun and packing on the PDA.